Leroy Merlin Marketplace pathetic with returns

I ordered 2 chairs 28 Nov 25, delivered and handled by LeRoy Marketplace. Firstly it wasnt clear before I placed the order that I have to have items delivered for a fee, thus I couldnt collect from the nearby store. After Christmas I requested to return the 2 chairs, in original condition. I was told I will have to pay collection fee and loose my delivery fee.... the items were finally collected in mid February, but I received no return waybill. It is now the 8th of April. I still havent had my money back!!!!